Your eye contains a convex lens. Why is it unwise to look at the sun?
Download our app for free and get startedPlay store
It is unwise to look at the sun because the convex lens focusses a lot of sun rays into our eyes and this may damage them.
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    Show the lateral displacement of the ray on the diagram.
    View Solution
  • 2
    Which kind of mirror is used in the headlights of a car? Why is it used for this purpose?
    View Solution
  • 3
    Explain why, concave mirrors are used as shaving mirrors.
    View Solution
  • 4
    Draw ray diagrams showing the image formation by a convex lens when an object is placed:
    At the focus of the lens.
    View Solution
  • 5
    A star appears slightly higher (above) than its actual position in the sky illustrate it with the help of a labelled diagram.
    View Solution
  • 6
    The boy walks towards the mirror at a speed of 1m/ s. At what speed does his image approach him?
    View Solution
  • 7
    List some things that concave lens and convex mirror have in common.
    View Solution
  • 8
    Which of the following diagrams shows the ray of light refracted correctly?
    View Solution
  • 9
    The velocity of light in water is $\frac{3}{4}$ times the velocity of light in vacuum. Find the refractive index of water.
    View Solution
  • 10
    State two factors on which the lateral displacement of the emergent ray depends.
    View Solution